If you created your wallet from a social login account, then the 12 secret wallet keys should be stored on the login platform. You can typically access them by logging into your account and looking for an option to view the wallet keys. If you created your wallet from a seed phrase, then the 12 secret wallet keys should be stored on the device from which you generated the seed phrase. Depending on the type of wallet you are using, you may be able to access the wallet keys through the wallet application installed on your device.
